<!DOCTYPE html>
<html>
  <body style="margin:0">
    <div style="height:50px"></div>
    <img border=0 src='data:image/svg+xml,
<svg xmlns="http://www.w3.org/2000/svg" width="100%" height="100%"
  xmlns:xlink="http://www.w3.org/1999/xlink"
  viewBox="0 0 700 80">
  <defs>
    <style type="text/css">
    .fillSpan  {
      fill: lightgrey;
      stroke: black;
    }
    </style>
    <!-- Fade out effect -->
    <mask id="fadeout" maskContentUnits="objectBoundingBox">
      <rect x="-0.05" y="-0.05" width="1.1" height="1.1"
        fill="url(%23fadeoutGrad)"/>
    </mask>
    <linearGradient id="fadeoutGrad">
      <stop offset="0" stop-color="white" stop-opacity="1"/>
      <stop offset="0.35" stop-color="white" stop-opacity="1"/>
      <stop offset="0.9" stop-color="white" stop-opacity="0"/>
    </linearGradient>
  </defs>
  <rect width="150" height="80" class="fillSpan" mask="url(%23fadeout)"/>
</svg>
    ' width="700">
  </body>
</html>
